@return
*/
static int t2_encode_packet(opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi, unsigned char *dest, int len, opj_codestream_info_t *cstr_info, int tileno);
+
+/**
+Encode a packet of a tile to a destination buffer
+@param tile Tile for which to write the packets
+@param tcp Tile coding parameters
+@param pi Packet identity
+@param dest Destination buffer
+@param len Length of the destination buffer
+@param cstr_info Codestream information structure
+@param tileno Number of the tile encoded
+@return
+*/
+static opj_bool t2_encode_packet_v2(
+ OPJ_UINT32 tileno,
+ opj_tcd_tile_v2_t *tile,
+ opj_tcp_v2_t *tcp,
+ opj_pi_iterator_t *pi,
+ OPJ_BYTE *dest,
+ OPJ_UINT32 * p_data_written,
+ OPJ_UINT32 len,
+ opj_codestream_info_t *cstr_info);
+
/**
@param cblk
@param index
#endif /* USE_JPWL */
- cblk->data = (unsigned char*) opj_realloc(cblk->data, (cblk->len + seg->newlen) * sizeof(unsigned char*));
+ cblk->data = (unsigned char*) opj_realloc(cblk->data, (cblk->len + seg->newlen) * sizeof(unsigned char));
memcpy(cblk->data + cblk->len, c, seg->newlen);
if (seg->numpasses == 0) {
seg->data = &cblk->data;
return (c - dest);
}
+opj_bool t2_encode_packets_v2(
+ opj_t2_v2_t* p_t2,
+ OPJ_UINT32 p_tile_no,
+ opj_tcd_tile_v2_t *p_tile,
+ OPJ_UINT32 p_maxlayers,
+ OPJ_BYTE *p_dest,
+ OPJ_UINT32 * p_data_written,
+ OPJ_UINT32 p_max_len,
+ opj_codestream_info_t *cstr_info,
+ OPJ_UINT32 p_tp_num,
+ OPJ_INT32 p_tp_pos,
+ OPJ_UINT32 p_pino,
+ J2K_T2_MODE p_t2_mode)
+{
+ OPJ_BYTE *l_current_data = p_dest;
+ OPJ_UINT32 l_nb_bytes = 0;
+ OPJ_UINT32 compno;
+ OPJ_UINT32 poc;
+ opj_pi_iterator_t *l_pi = 00;
+ opj_pi_iterator_t *l_current_pi = 00;
+ opj_image_t *l_image = p_t2->image;
+ opj_cp_v2_t *l_cp = p_t2->cp;
+ opj_tcp_v2_t *l_tcp = &l_cp->tcps[p_tile_no];
+ OPJ_UINT32 pocno = l_cp->m_specific_param.m_enc.m_cinema == CINEMA4K_24? 2: 1;
+ OPJ_UINT32 l_max_comp = l_cp->m_specific_param.m_enc.m_max_comp_size > 0 ? l_image->numcomps : 1;
+ OPJ_UINT32 l_nb_pocs = l_tcp->numpocs + 1;
+
+ l_pi = pi_initialise_encode_v2(l_image, l_cp, p_tile_no, p_t2_mode);
+ if (!l_pi) {
+ return OPJ_FALSE;
+ }
+
+ * p_data_written = 0;
+
+ if (p_t2_mode == THRESH_CALC ){ /* Calculating threshold */
+ l_current_pi = l_pi;
+
+ for (compno = 0; compno < l_max_comp; ++compno) {
+ OPJ_UINT32 l_comp_len = 0;
+ l_current_pi = l_pi;
+
+ for (poc = 0; poc < pocno ; ++poc) {
+ OPJ_UINT32 l_tp_num = compno;
+
+ pi_create_encode_v2(l_pi, l_cp,p_tile_no,poc,l_tp_num,p_tp_pos,p_t2_mode);
+
+ while (pi_next(l_current_pi)) {
+ if (l_current_pi->layno < p_maxlayers) {
+ l_nb_bytes = 0;
+
+ if (! t2_encode_packet_v2(p_tile_no,p_tile, l_tcp, l_current_pi, l_current_data, &l_nb_bytes, p_max_len, cstr_info)) {
+ pi_destroy_v2(l_pi, l_nb_pocs);
+ return OPJ_FALSE;
+ }
+
+ l_comp_len += l_nb_bytes;
+ l_current_data += l_nb_bytes;
+ p_max_len -= l_nb_bytes;
+
+ * p_data_written += l_nb_bytes;
+ }
+ }
+
+ if (l_cp->m_specific_param.m_enc.m_max_comp_size) {
+ if (l_comp_len > l_cp->m_specific_param.m_enc.m_max_comp_size) {
+ pi_destroy_v2(l_pi, l_nb_pocs);
+ return OPJ_FALSE;
+ }
+ }
+
+ ++l_current_pi;
+ }
+ }
+ }
+ else { /* t2_mode == FINAL_PASS */
+ pi_create_encode_v2(l_pi, l_cp,p_tile_no,p_pino,p_tp_num,p_tp_pos,p_t2_mode);
+
+ l_current_pi = &l_pi[p_pino];
+
+ while (pi_next(l_current_pi)) {
+ if (l_current_pi->layno < p_maxlayers) {
+ l_nb_bytes=0;
+
+ if (! t2_encode_packet_v2(p_tile_no,p_tile, l_tcp, l_current_pi, l_current_data, &l_nb_bytes, p_max_len, cstr_info)) {
+ pi_destroy_v2(l_pi, l_nb_pocs);
+ return OPJ_FALSE;
+ }
+
+ l_current_data += l_nb_bytes;
+ p_max_len -= l_nb_bytes;
+
+ * p_data_written += l_nb_bytes;
+
+ /* INDEX >> */
+ if(cstr_info) {
+ if(cstr_info->index_write) {
+ opj_tile_info_t *info_TL = &cstr_info->tile[p_tile_no];
+ opj_packet_info_t *info_PK = &info_TL->packet[cstr_info->packno];
+ if (!cstr_info->packno) {
+ info_PK->start_pos = info_TL->end_header + 1;
+ } else {
+ info_PK->start_pos = ((l_cp->m_specific_param.m_enc.m_tp_on | l_tcp->POC)&& info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[cstr_info->packno - 1].end_pos + 1;
+ }
+ info_PK->end_pos = info_PK->start_pos + l_nb_bytes - 1;
+ info_PK->end_ph_pos += info_PK->start_pos - 1; // End of packet header which now only represents the distance
+ // to start of packet is incremented by value of start of packet
+ }
+
+ cstr_info->packno++;
+ }
+ /* << INDEX */
+ ++p_tile->packno;
+ }
+ }
+ }
+
+ pi_destroy_v2(l_pi, l_nb_pocs);
+
+ return OPJ_TRUE;
+}
+
+
int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile, opj_codestream_info_t *cstr_info) {
unsigned char *c = src;
opj_pi_iterator_t *pi;
opj_packet_info_t *info_PK = &info_TL->packet[p_cstr_info->packno];
if (!p_cstr_info->packno) {
info_PK->start_pos = info_TL->end_header + 1;
- } else if (info_TL->packet[p_cstr_info->packno-1].end_pos >= (OPJ_INT32)p_cstr_info->tile[p_tile_no].tp[curtp].tp_end_pos){ // New tile part
- info_TL->tp[curtp].tp_numpacks = p_cstr_info->packno - tp_start_packno; // Number of packets in previous tile-part
+ } else if (info_TL->packet[p_cstr_info->packno-1].end_pos >= (OPJ_INT32)p_cstr_info->tile[p_tile_no].tp[curtp].tp_end_pos){ /* New tile part */
+ info_TL->tp[curtp].tp_numpacks = p_cstr_info->packno - tp_start_packno; /* Number of packets in previous tile-part */
tp_start_packno = p_cstr_info->packno;
curtp++;
info_PK->start_pos = p_cstr_info->tile[p_tile_no].tp[curtp].tp_end_header+1;
info_PK->start_pos = (cp->m_specific_param.m_enc.m_tp_on && info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[p_cstr_info->packno - 1].end_pos + 1;
}
info_PK->end_pos = info_PK->start_pos + l_nb_bytes_read - 1;
- info_PK->end_ph_pos += info_PK->start_pos - 1; // End of packet header which now only represents the distance
+ info_PK->end_ph_pos += info_PK->start_pos - 1; /* End of packet header which now only represents the distance */
++p_cstr_info->packno;
}
#endif
#ifdef TODO_MSD
if
(p_cstr_info) {
- p_cstr_info->tile[p_tile_no].tp[curtp].tp_numpacks = p_cstr_info->packno - tp_start_packno; // Number of packets in last tile-part
+ p_cstr_info->tile[p_tile_no].tp[curtp].tp_numpacks = p_cstr_info->packno - tp_start_packno; /* Number of packets in last tile-part */
}
#endif
/* << INDEX */
return OPJ_TRUE;
}
+static opj_bool t2_encode_packet_v2(
+ OPJ_UINT32 tileno,
+ opj_tcd_tile_v2_t * tile,
+ opj_tcp_v2_t * tcp,
+ opj_pi_iterator_t *pi,
+ OPJ_BYTE *dest,
+ OPJ_UINT32 * p_data_written,
+ OPJ_UINT32 length,
+ opj_codestream_info_t *cstr_info)
+{
+ OPJ_UINT32 bandno, cblkno;
+ OPJ_BYTE *c = dest;
+ OPJ_UINT32 l_nb_bytes;
+ OPJ_UINT32 compno = pi->compno; /* component value */
+ OPJ_UINT32 resno = pi->resno; /* resolution level value */
+ OPJ_UINT32 precno = pi->precno; /* precinct value */
+ OPJ_UINT32 layno = pi->layno; /* quality layer value */
+ OPJ_UINT32 l_nb_blocks;
+ opj_tcd_band_v2_t *band = 00;
+ opj_tcd_cblk_enc_v2_t* cblk = 00;
+ opj_tcd_pass_v2_t *pass = 00;
+
+ opj_tcd_tilecomp_v2_t *tilec = &tile->comps[compno];
+ opj_tcd_resolution_v2_t *res = &tilec->resolutions[resno];
+
+ opj_bio_t *bio = 00; /* BIO component */
+
+ /* <SOP 0xff91> */
+ if (tcp->csty & J2K_CP_CSTY_SOP) {
+ c[0] = 255;
+ c[1] = 145;
+ c[2] = 0;
+ c[3] = 4;
+ c[4] = (tile->packno % 65536) / 256;
+ c[5] = (tile->packno % 65536) % 256;
+ c += 6;
+ length -= 6;
+ }
+ /* </SOP> */
+
+ if (!layno) {
+ band = res->bands;
+
+ for(bandno = 0; bandno < res->numbands; ++bandno) {
+ opj_tcd_precinct_v2_t *prc = &band->precincts[precno];
+
+ tgt_reset(prc->incltree);
+ tgt_reset(prc->imsbtree);
+
+ l_nb_blocks = prc->cw * prc->ch;
+ for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) {
+ opj_tcd_cblk_enc_v2_t* cblk = &prc->cblks.enc[cblkno];
+
+ cblk->numpasses = 0;
+ tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk->numbps);
+ }
+ ++band;
+ }
+ }
+
+ bio = bio_create();
+ bio_init_enc(bio, c, length);
+ bio_write(bio, 1, 1); /* Empty header bit */
+
+ /* Writing Packet header */
+ band = res->bands;
+ for (bandno = 0; bandno < res->numbands; ++bandno) {
+ opj_tcd_precinct_v2_t *prc = &band->precincts[precno];
+
+ l_nb_blocks = prc->cw * prc->ch;
+ cblk = prc->cblks.enc;
+
+ for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) {
+ opj_tcd_layer_t *layer = &cblk->layers[layno];
+
+ if (!cblk->numpasses && layer->numpasses) {
+ tgt_setvalue(prc->incltree, cblkno, layno);
+ }
+
+ ++cblk;
+ }
+
+ cblk = prc->cblks.enc;
+ for (cblkno = 0; cblkno < l_nb_blocks; cblkno++) {
+ opj_tcd_layer_t *layer = &cblk->layers[layno];
+ OPJ_UINT32 increment = 0;
+ OPJ_UINT32 nump = 0;
+ OPJ_UINT32 len = 0, passno;
+ OPJ_UINT32 l_nb_passes;
+
+ /* cblk inclusion bits */
+ if (!cblk->numpasses) {
+ tgt_encode(bio, prc->incltree, cblkno, layno + 1);
+ } else {
+ bio_write(bio, layer->numpasses != 0, 1);
+ }
+
+ /* if cblk not included, go to the next cblk */
+ if (!layer->numpasses) {
+ ++cblk;
+ continue;
+ }
+
+ /* if first instance of cblk --> zero bit-planes information */
+ if (!cblk->numpasses) {
+ cblk->numlenbits = 3;
+ tgt_encode(bio, prc->imsbtree, cblkno, 999);
+ }
+
+ /* number of coding passes included */
+ t2_putnumpasses(bio, layer->numpasses);
+ l_nb_passes = cblk->numpasses + layer->numpasses;
+ pass = cblk->passes + cblk->numpasses;
+
+ /* computation of the increase of the length indicator and insertion in the header */
+ for (passno = cblk->numpasses; passno < l_nb_passes; ++passno) {
+ ++nump;
+ len += pass->len;
+
+ if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
+ increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump)));
+ len = 0;
+ nump = 0;
+ }
+
+ ++pass;
+ }
+ t2_putcommacode(bio, increment);
+
+ /* computation of the new Length indicator */
+ cblk->numlenbits += increment;
+
+ pass = cblk->passes + cblk->numpasses;
+ /* insertion of the codeword segment length */
+ for (passno = cblk->numpasses; passno < l_nb_passes; ++passno) {
+ nump++;
+ len += pass->len;
+
+ if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
+ bio_write(bio, len, cblk->numlenbits + int_floorlog2(nump));
+ len = 0;
+ nump = 0;
+ }
+ ++pass;
+ }
+
+ ++cblk;
+ }
+
+ ++band;
+ }
+
+ if (bio_flush(bio)) {
+ bio_destroy(bio);
+ return OPJ_FALSE; /* modified to eliminate longjmp !! */
+ }
+
+ l_nb_bytes = bio_numbytes(bio);
+ c += l_nb_bytes;
+ length -= l_nb_bytes;
+
+ bio_destroy(bio);
+
+ /* <EPH 0xff92> */
+ if (tcp->csty & J2K_CP_CSTY_EPH) {
+ c[0] = 255;
+ c[1] = 146;
+ c += 2;
+ length -= 2;
+ }
+ /* </EPH> */
+
+ /* << INDEX */
+ // End of packet header position. Currently only represents the distance to start of packet
+ // Will be updated later by incrementing with packet start value
+ if(cstr_info && cstr_info->index_write) {
+ opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno];
+ info_PK->end_ph_pos = (OPJ_INT32)(c - dest);
+ }
+ /* INDEX >> */
+
+ /* Writing the packet body */
+ band = res->bands;
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_precinct_v2_t *prc = &band->precincts[precno];
+
+ l_nb_blocks = prc->cw * prc->ch;
+ cblk = prc->cblks.enc;
+
+ for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) {
+ opj_tcd_layer_t *layer = &cblk->layers[layno];
+
+ if (!layer->numpasses) {
+ ++cblk;
+ continue;
+ }
+
+ if (layer->len > length) {
+ return OPJ_FALSE;
+ }
+
+ memcpy(c, layer->data, layer->len);
+ cblk->numpasses += layer->numpasses;
+ c += layer->len;
+ length -= layer->len;
+
+ /* << INDEX */
+ if(cstr_info && cstr_info->index_write) {
+ opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno];
+ info_PK->disto += layer->disto;
+ if (cstr_info->D_max < info_PK->disto) {
+ cstr_info->D_max = info_PK->disto;
+ }
+ }
+
+ ++cblk;
+ /* INDEX >> */
+ }
+ ++band;
+ }
+
+ * p_data_written += (c - dest);
+
+ return OPJ_TRUE;
+}
+
static opj_bool t2_skip_packet(
opj_t2_v2_t* p_t2,
opj_tcd_tile_v2_t *p_tile,
if (p_tcp->csty & J2K_CP_CSTY_SOP) {
if ((*l_current_data) != 0xff || (*(l_current_data + 1) != 0x91)) {
- // TODO opj_event_msg(t2->cinfo->event_mgr, EVT_WARNING, "Expected SOP marker\n");
+ /* TODO opj_event_msg(t2->cinfo->event_mgr, EVT_WARNING, "Expected SOP marker\n"); */
} else {
l_current_data += 6;
}
*l_header_data_start += l_header_length;
/* << INDEX */
- // End of packet header position. Currently only represents the distance to start of packet
- // Will be updated later by incrementing with packet start value
+ /* End of packet header position. Currently only represents the distance to start of packet
+ Will be updated later by incrementing with packet start value */
if (p_pack_info) {
p_pack_info->end_ph_pos = (OPJ_INT32)(l_current_data - p_src_data);
}
/* EPH markers */
if (p_tcp->csty & J2K_CP_CSTY_EPH) {
if ((*l_header_data) != 0xff || (*(l_header_data + 1) != 0x92)) {
- // TODO opj_event_msg(t2->cinfo->event_mgr, EVT_ERROR, "Expected EPH marker\n");
+ /* TODO opj_event_msg(t2->cinfo->event_mgr, EVT_ERROR, "Expected EPH marker\n"); */
} else {
l_header_data += 2;
}
*l_header_data_start += l_header_length;
/* << INDEX */
- // End of packet header position. Currently only represents the distance to start of packet
- // Will be updated later by incrementing with packet start value
+ /* End of packet header position. Currently only represents the distance to start of packet
+ Will be updated later by incrementing with packet start value */
if (p_pack_info) {
p_pack_info->end_ph_pos = (OPJ_INT32)(l_current_data - p_src_data);
}
projects / openjpeg.git / blobdiff